low 70s to low 80s, the coast cools and the fog returns by p.m. temperatures from the 60s at the coast and bay to low 70s inlean. so good-looking weather for voting. changes begin tomorrow night. fog will return near the coast, and the cooling gets underway tomorrow evening. even major changes, bigger changes, i should say, coming by thursday. much colder air associated with the storm in the gulf of alaska. by week's end, so your thursday is looking wet and colder in the sierra nevada this will translate into snow. the national weather service already potioned a winter weather advisory. five to ten inches of snow expected 59,000, gusty -- at 5,000 feet. tomorrow afternoon, warm. on the peninsula, 77 in millbrae. mountain view, 80.